?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=H+D&rft.au=Upadhyaya%2C+H+D&rft.aulast=Upadhyaya&rft.atitle=Geographical+patterns+of+diversity+for+qualitative+and+quantitative+traits+in+the+pigeonpea+germplasm+collection&rft.title=Plant+Genetic+Resources&rft.date=2005&rft.volume=3&rft.pages=331-352&rft.issue=3&rft.genre=article